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Objective: To explore the associated risk factors of metabolic syndrome in Jiangsu province, China., Methods: Using identical protocol and questionnaire, an epidemiological study was carried out in a population of 5888 adults in 12 counties in Jiangsu. Anthropometric test and blood sampling were conducted at the time of interview. IDF (2005) was used as the diagnostic criteria of metabolic syndrome . The prevalence and age-standardized prevalence of metabolic syndrome were calculated. Univariate and multivariate logistic regression model were used to identify associated risk factors., Results: The prevalence and age-standardized prevalence of metabolic syndrome in Jiangsu were 19.07% (11.10% in males and 25.72% in females) and 17.48% (11.49% in males, 22.86 % in females), respectively. Among the potential risk factors of metabolic syndrome as gender, age, education level, occupation, income, physical activity, smoking, alcohol drinking, disease family history, data from univariate and multivariate logistic regression analyses suggested that gender (OR = 1.91), age (OR = 1.15), physical inactivity (OR = 1.94), with hypertension family history (OR = 1.99) and with obesity family history (OR = 6.24) could significantly increase the risk of disease development., Conclusion: Metabolic syndrome has become a significant public health problem among the adults in Jiangsu province.

Objective: To compare the significance of the application in Jiangsu population using the diagnostic criteria for metabolic syndrome(MS) proposed by the IDF in 2005, ATP III in 2005 and CDS in 2004., Methods: Based on the populations in Jiangsu province from a project of Multiple Metabolic Disorders and MS, the study was conducted including 5888 cases, with data of plasma glucose, lipid profile, blood pressure, serum insulin etc. MS was diagnosed and compared according to these three definitions respectively., Results: The age-adjusted MS prevalence rates were 17.48%, 21.95% and 9.59% according to the IDF(2005), ATP III (2005) and CDS (2004) respectively. The agreement in the diagnosis of MS using ATP III (2005) and CDS(2004) definitions was 85.11%, and the agreement in the diagnosis of MS using IDF(2005) and CDS definitions was 87.35%. The agreement in the diagnosis of MS using IDF (2005) and ATP III (2005) definitions was 95.14%. The MS subjects diagnosed by the ATP III (2005) was 1.26 higher than subjects diagnosed by the IDF(2005) definition. The ratios of prevalence rates of high waist circumference(WC), MS_IDF (2005) and MS_ATP III (2005) was 2.17, 1.99 and 1.54 in sex ratio (woman to man)., Conclusion: The agreement in the diagnosis of MS using the IDF(2005) and ATP III (2005) definition was higher than using CDS(2004) and other two definitions. For diagnosing MS, the cut off of WC in IDF(2005) and ATP III (2005) seemed not appropriate and the diagnostic criteria used for ATP III (2005) (waist circumference of man 85 cm, woman 80 cm) could identify more MS.

Objective: To describe the prevalence of metabolic syndrome (MS) in Jiangsu province, using IDF 2005 and ATP III 2005 definition., Methods: Multistage cluster sampling method was used and the participants were interviewed by trained health workers under a structured questionnaire. The number of research subjects was 5888. Fasting plasma glucose (FPG), blood lipids, body mass index, blood pressure (BP) of all sample population (5888 subjects) were measured., Results: The prevalence of MS was 17.48% by IDF 2005 definition and 21.95% by ATP lII 2005 definition. Women had higher prevalence than men (P < 0.01). The prevalence of MS increased with age. Abrupt increase of the prevalence started at age of 50 in women. The prevalence varied by education, marital status, occupation and income. People from the urban and the south had a higher prevalence than from the rural and from the northern part of the country. The most common combination of MS individual components were 1) central obesity, dislipidemia and high BP; 2) central obesity, dislipidemia, high BP and high FPG., Conclusion: The prevalence of MS was high in Jiangsu province. Clustering of MS components was common. It is necessary to discuss the cut-off points of central obesity for the waist circumference diagnostic criteria of MS in Chinese population. The importance of prevention of MS should be strengthened both by health professionals and the government.